National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Simi Valley - Cochran (SV)

Lat: 34.2764°NLon: 118.68375°WElev: 1037.0ft.

NA

71°F

22°C

Humidity 51%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 31 Aug 01:00 AM PDT
Extended Forecast for

Simi Valley CA

Heat Advisory September 1, 10:00am until September 2, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. West northwest wind 5 to 10 mph becoming south in the morning.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 64. West wind 5 to 10 mph becoming light and variable after midnight.

    Low: 64 °F

    Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 99. Light and variable wind becoming west southwest 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. West southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 64. Calm wind.
Sunday
Sunny and hot, with a high near 99. West northwest wind 5 to 10 mph becoming south in the morning.
Sunday Night
Clear, with a low around 64. West wind 5 to 10 mph becoming light and variable after midnight.
Labor Day
Sunny and hot, with a high near 99. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 66. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 100.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Simi Valley CA
 34.28°N 118.76°W (Elev. 965 ft)
Last Update:
1:02 am PDT Aug 31, 2025
Forecast Valid:
1am PDT Aug 31, 2025-6pm PDT Sep 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation